Musk’s vision for cities on the moon and Mars is an attempt to make science fiction a reality.

The mission to colonize Mars has captured the imagination of scientists and enthusiasts alike. With NASA and SpaceX leading the charge, the once distant dream of establishing a human settlement on the ...

Elon Musk is putting his dreams of colonizing Mars on hold and said his SpaceX rocket company will instead focus on building a city on the moon.

Editor's note: All opinions, columns and letters reflect the views of the individual writer and not necessarily those of the IDS or its staffers. Rovers on Mars have made exciting finds and ...

When Philip K. Dick imagined artificial beings in his book "Do Androids Dream of Electric Sheep," the question was whether machines could think and feel like humans. Today, NASA is posing a related, ...